"I started filming yesterday and [will continue] for the next month," David wrote. "I'm really excited to be playing through a great storyline!"

She later added: "I'm really excited about my storyline and will be in a few episodes of the show for now. I can't say too much, but let's just say she gets caught up in something big in the storyline!"

33-year-old David appeared in the pilot episode of Fox drama Touch with Kiefer Sutherland and also starred on BBC series Waterloo Road between 2010 and 2011.

She has also featured on Sky1 / Cinemax thriller series Strike Back and will be seen in Chris Pine action movie Jack Ryan in December 2013.

Nip/Tuck actor Dylan Walsh recently landed a role on Castle, while the show's star Nathan Fillion will also be reunited with his Firefly co-star Gina Torres in a forthcoming episode.

Castle continues on Mondays at 10/9c on ABC. In the UK, the series is expected to return to Alibi in March 2013.